Internal filter

Sierra Mercury Marine Fuel Water Separator, Part #18-7848-1. This separator removes water from fuel and prevents contamination in marine engines. Easy installation with a compact design for improved performance and reliability.

Sierra Fuel Filter Element for Mercury Marine/Suzuki Engine, Part #18-7936. This product is a fuel filter element that fits on Mercury Marine and Suzuki engine models.

Sierra 10 Micron Fuel Filter For Mercury Marine/Honda, Part #18-7948 Camping World. High-quality fuel filter designed to remove impurities and protect your engine from damage. Compatible with specific outboard motor models from Mercury Marine/Honda.

Sierra Fuel/Water Separator for Mercury Marine Engine, part #18-7968, is designed to separate fuel from water in the engine's fuel system. It helps prevent water contamination and ensures optimal performance.